{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["process parameter", "machine or equipment", "biomedical", "engineering feature", "application", "concept or principle"], "input": "As said before , although relatively small or medium sized lattice structures can be obtained , one not only sacrifices the stiffness but also it may be more difficult to search for the original global optimal lightweight design solution ."}
{"process parameter": [], "machine or equipment": [], "biomedical": [], "engineering feature": ["lattice structures", "design"], "application": [], "concept or principle": ["lightweight"]}